CN113177081A - Uninterrupted visual checking method for one-key sequential control operation order - Google Patents
Uninterrupted visual checking method for one-key sequential control operation order Download PDFInfo
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Abstract
The invention discloses a one-key sequential control operation order uninterrupted visual checking method, which comprises the following contents: the monitoring host can acquire the running state data of the primary equipment and the secondary equipment of the current time section and save the section data in a local database, the monitoring host can realize bidirectional switching between a monitoring real-time image and a simulation image, the real-time image reads real-time running state data of primary and secondary equipment, the simulation image reads simulation state data stored in a local database, isolation between the simulation state data and the simulation image and the running state data and the simulation image is realized, all operations of simulation check of the sequence control operation ticket by the monitoring host are carried out in the simulation database, the real-time database is not changed, the monitoring host can normally monitor the state of the total station equipment, uninterrupted visual check of the one-key sequence control operation ticket is based on the simulation image and the data, and correctness verification of the sequence control operation ticket content is carried out under the condition that a line at a station is electrified.
Description
Technical Field
The invention belongs to the field of automation of a plant station end, and particularly relates to a one-key sequential control operation order uninterrupted visual checking method based on a plant station end monitoring system.
Background
At present, in the field of automation of a power system plant end, a power failure verification mode is mostly adopted for verifying a sequence control operation order in a plant end monitoring system by a monitoring host, namely, according to operation contents of the sequence control operation order, relevant lines are stopped, single-step power failure operation is performed on the operation order contents, and the correctness of the operation order is verified. For a newly built station end, a power failure verification sequence control operation order mode is adopted, the uncharged operation of a line is not influenced, however, for the existing operation station end, especially for a reconstructed station end, the line operates in an electrified mode, the sequence control operation order needs to be verified, if the power failure line is needed to be verified again, a very large workload is brought to field operation and maintenance personnel, the consumed time is long, the pressure of the operation and maintenance personnel is large, and the task is heavy.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problems in the prior art, the invention provides the uninterrupted visual checking method for the sequence control operation order based on the one-key of the station side monitoring system, which is used for directly carrying out the live verification on the sequence control operation order under the condition of ensuring that the line of the station side is live, reducing the risk of maintenance personnel on the live line of the station side and reducing the workload of the field operation and maintenance personnel.
The technical scheme is as follows: the invention relates to a one-key sequential control operation order uninterrupted visual checking method, wherein an adopted plant station end monitoring system comprises a monitoring host, an intelligent five-prevention machine and a measurement and control device, and the method comprises the following contents:
(1) checking without power outage: the monitoring host monitors the state of the total station equipment, acquires the running state data of the primary equipment and the secondary equipment of the current time section, and stores section data, namely analog state data, in a local database; meanwhile, the monitoring host machine realizes bidirectional switching between monitoring real-time images and analog images, the real-time images read real-time running state data of primary equipment and secondary equipment, and the analog images read analog data stored in a local database; the monitoring host machine realizes the isolation of the data and the picture of the simulation state and the data and the picture of the running state, all the simulation checking operations are carried out in the simulation database, and the real-time database is not changed;
(2) visual checking: the monitoring host acquires the analog state data of the current time section, switches the monitoring real-time state picture of the monitoring host to the analog state picture, and visually displays the task content of the operation order and the primitive state of the monitoring picture corresponding to the analog state data.
Preferably, the monitoring host and the intelligent five-prevention machine adopt standardized communication interfaces to realize the transmission of data and sequential control operation tickets. The monitoring host and the intelligent five-prevention machine adopt a standard 104 protocol to realize the issuing of the single-step simulation state of the operation ticket and the transmission of the operation ticket file; the monitoring host and the measurement and control device adopt a standard IEC61850 protocol to realize the remote control issuing of the single-step preview content of the operation order.
Furthermore, the intelligent five-prevention machine receives simulation preview data of an operation object in an operation ticket of the monitoring host and receives a sequence control operation ticket transmitted by the monitoring host, the monitoring host and the intelligent five-prevention machine combine a simulation preview instruction and the content of the operation ticket, and the preview execution of the single-step content of the sequence control operation ticket is realized after the five-prevention logic verification is satisfied based on the five-prevention verification logic of the monitoring host and the intelligent five-prevention machine to the plant-side primary and secondary equipment.
The operation object previewing instruction execution process in the operation ticket comprises starting instruction execution, operation condition checking, current equipment state verification before execution, sequence control locking signal judgment, total station accident total judgment, single step execution condition judgment, single step monitoring system built-in anti-misoperation locking verification, single step intelligent anti-misoperation host computer anti-misoperation verification, single step simulation setting and single step confirmation condition judgment, and the instruction execution is confirmed to be finished after all the steps are successful.
When the instruction is executed, a principle of double sets of error prevention mechanism check is adopted, one set is an error prevention logic lock built in the monitoring host, and the other set is error prevention logic check of the independent intelligent error prevention host; before single-step simulation counting, the operation of the step is verified by the built-in anti-misoperation logic lock of the monitoring host, if the verification does not pass the prompt error, the operation is automatically suspended, and the built-in anti-misoperation lock indicating lamp is lightened; before the single-step simulation is set, the operation of the step is also subjected to the anti-error logic check of the independent intelligent anti-error host, the error is prompted when the check does not pass, the operation is automatically suspended, an intelligent anti-error check indicator lamp is lightened, the error prompt of the anti-error check failure of the single-step intelligent anti-error host can be optionally ignored, and the check operation is continued after the authority check passes.
The equipment such as a station end line switch knife switch and the like needs to meet the running state of the line or other line related equipment when performing switching-on/switching-off operation, and the five-prevention logic is the running state of the related equipment meeting the operating conditions of an operating object.
Further, the data interaction process between the monitoring host and the measurement and control device is as follows:
after the single-step preview logic of the monitoring host and the intelligent five-prevention machine passes, when an instruction is executed, the monitoring host sends a remote control selection command to the measurement and control device, and after the remote control of the measurement and control device succeeds or fails in reverse calibration, the monitoring host sends a remote control cancellation command to the measurement and control device to verify the correctness of a remote control link channel between the monitoring host and the measurement and control device.
After the operation preview of the operation content of the sequence control operation ticket is finished, updating a CRC check code of the operation ticket, and marking the CRC check code in an operation ticket management library of the monitoring host computer with a checked mark; the CRC is a character string mark generated by adopting an open-source third-party text content inspection method, the CRC is not changed when the text content is not changed, and the CRC is changed when the text content is changed; and the CRC check code is used for verifying the consistency of the current sequential control operation order and the operation order stored in the database.
After the sequence control operation order is successfully simulated and checked, a check record file is generated, the file record content comprises check personnel information and all operation item check information, and the operation item check information is an instruction execution object operation step
Has the advantages that: the method is suitable for a new plant building station end and an old station reconstruction and expansion plant station end, and can be used for verifying the newly built sequence control operation ticket and the stock operation ticket under the condition of ensuring that the line is not powered off, so that the intelligent management and control of operation and maintenance personnel on the plant station end operation ticket are improved, the risk of power-off operation of the operation and maintenance personnel on the plant station end line is reduced, the workload of the operation and maintenance personnel on the plant station end is reduced, and the method has practical significance on safe and stable operation of the plant station end; meanwhile, the intelligent operation and maintenance convenience of the station terminal are improved, and the service supporting capacity of the station terminal on a large-operation and large-maintenance system is comprehensively improved.
Drawings
FIG. 1 is a flow chart of a one-key sequence control operation order checking method in a non-stop manner according to an embodiment of the present invention;
FIG. 2 is a flow chart of simulation verification according to an embodiment of the present invention;
fig. 3 is a sequence control operation order state transition diagram according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be explained and explained in detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a flowchart showing the one-key sequence control operation order non-stop mode check, in which the one-key sequence control non-stop mode check uses an operation order check tool as a human-computer interaction inlet to start an analog check interface.
When the simulation check interface is started, the monitoring host updates the simulation database according to the current real-time database section, saves section data (hereinafter referred to as "simulation data") in the local database, and realizes bidirectional switching between the monitoring real-time image and the simulation image. The monitoring host carries out simulation check on the sequence control operation order in a simulation state visualization interface, all operations (such as condition and rule judgment, single-step simulation setting and the like) of the simulation check are carried out in the simulation database, the real-time database is not changed, and the monitoring host can normally monitor the state of the total station equipment.
When the one-key sequential control is checked without power failure, the monitoring host sends the equipment state in the simulation database to the intelligent anti-error host, and does not send the real-time equipment state. The intelligent anti-error host receives the operation order file sent by the monitoring host and directly performs anti-error check on the single-step operation project.
In an embodiment of the present invention, the checking without power outage includes the following contents:
the monitoring host can obtain the running state data of the primary equipment and the secondary equipment of the current time section, and save the section data (hereinafter referred to as analog state data) in a local database, meanwhile, the monitoring host can realize bidirectional switching between a monitoring real-time image and a simulation image, the real-time image reads real-time running state data of primary and secondary equipment, the simulation image reads simulation state data stored in a local database, the simulation data and image are isolated from the running state data and image, all operations (such as condition and rule judgment, single-step simulation setting number and the like) of simulation check are carried out in the simulation database, the real-time database is not changed, the monitoring host can normally monitor the state of the total station equipment, and uninterrupted check of the one-key sequence control operation ticket is based on the simulation image and data, and the correctness of the sequence control operation ticket content is verified under the condition that a line at a station is electrified.
In an embodiment of the present invention, the visual verification includes the following contents:
the monitoring host acquires the simulation state data of the current time section, switches the monitoring real-time picture of the monitoring host to the simulation state picture, and visually displays the task content of the operation ticket and the primitive state of the monitoring picture corresponding to the simulation state data.
Fig. 2 is a flow chart of a one-key sequence control operation order visual non-power-outage simulation verification process, wherein during simulation verification, a one-key sequence control initiator is a station-side monitoring host and interacts with an intelligent anti-error host and a measurement and control device.
After the authority verification of the logging operation and maintenance personnel is passed, switching a monitoring host computer real-time monitoring picture to a simulation state picture, visually displaying an operation task of the sequence control operation ticket, checking operation objects 'source equipment state conditions' and 'target equipment state conditions' in the operation ticket content aiming at the operation task in a simulation state visual interface, if the operation objects 'source equipment state conditions' and 'target equipment state conditions' do not meet the source state or target state conditions, manually setting numbers on the operation objects in the simulation state picture, modifying simulation state data, and ensuring that the operation objects in the operation ticket are previewed and executed according to the source state and the target state.
The device source standby state is a device state before the preview execution of the operation object in the operation ticket. The device target state is a device state after the preview execution of the operation object in the operation ticket.
The intelligent five-prevention machine receives simulation preview data of an operation object in an operation ticket of the monitoring host machine and receives a sequence control operation ticket transmitted by the monitoring host machine, the monitoring host machine and the intelligent five-prevention machine combine simulation preview instructions and the content of the operation ticket, and the single-step preview execution of the sequence control operation ticket content is realized after the five-prevention logic verification is met based on the five-prevention verification logic of the monitoring host machine and the intelligent five-prevention machine to the plant-side primary and secondary equipment.
In one embodiment of the invention, the execution process of the preview instruction of the operation object of the operation ticket comprises the steps of starting instruction execution, checking operation conditions, checking the current equipment state before execution, judging a sequence control locking signal, judging total station accident, judging conditions before single step execution, setting anti-misoperation locking check in a single step monitoring system, anti-misoperation checking of a single step intelligent anti-misoperation host, setting single step simulation, judging conditions for single step confirmation and the like, and the instruction execution can be confirmed to be finished after all the steps are successful.
When the instruction is executed, the principle of checking by adopting a double-set anti-error mechanism is adopted, one set is an anti-error logic lock built in the monitoring host, and the other set is anti-error logic check of the independent intelligent anti-error host. Before single-step simulation counting, the operation of the step is verified by the built-in anti-misoperation logic lock of the monitoring host, if the verification fails, the error is prompted, the operation is automatically suspended, and the built-in anti-misoperation lock indicating lamp is lightened. Before single-step simulation counting, the operation of the step should be subjected to error prevention logic check by the independent intelligent error prevention host, an error should be prompted when the check is not passed, the operation is automatically suspended, an intelligent error prevention check indicator lamp is lightened, an error prompt of error prevention check failure of the single-step intelligent error prevention host can be selected to be ignored, and the check operation can be continued after the authority check is passed.
After the single-step preview logic of the monitoring host and the intelligent five-prevention machine passes, when an instruction is executed, the monitoring host sends a remote control selection command to the measurement and control device, and after the remote control of the measurement and control device succeeds or fails in reverse calibration, the monitoring host sends a remote control cancellation command to the measurement and control device to verify the correctness of a remote control link channel between the monitoring host and the measurement and control device.
Fig. 3 is a schematic flow chart of the one-key sequence control operation order check, in which after the check passes, the check state of the operation order is updated, the check state is set to be checked, and the CRC check code of the updated operation order is merged into the library for storage; aiming at the checked operation ticket, if the content of the operation ticket is modified, the operation ticket is changed into an 'uncorrected' state, the content of the operation ticket needs to be checked again, after the operation ticket passes the checking, the operation ticket is set into a 'checked' state, and the CRC (cyclic redundancy check) code of the operation ticket is updated and is merged into a library for storage; and for the checked operation ticket, the CRC check code of the operation ticket needs to be checked regularly, the operation ticket is compared with the check code stored in the database, if the operation ticket is inconsistent, the operation ticket with the inconsistent CRC code is modified but not checked, the operation ticket with the inconsistent CRC code is set to be in an 'uncorrected' state, the CRC code is set to be in a 'CRC code check failure', the operation and maintenance personnel need to card the operation ticket again and recheck the operation ticket which is not checked or is in the check failure, the sequential operation ticket of the monitoring host is ensured to be in a 'checked' state, and the operation and maintenance personnel can control the sequential operation ticket of the station end in real time.
In one embodiment of the invention, the CRC check code is a unique character string mark generated by adopting an open-source third-party text content checking method, if the text content is unchanged, the check code is unchanged, and if the text content is changed, the check code is changed. The CRC check code can verify the consistency of the current sequential control operation order and the operation order stored in the database.
After the sequence control operation ticket is successfully simulated and checked, a check record file is generated, the file record content comprises check personnel information and all operation item check information, and the operation item check information is an instruction execution object operation step, so that the trace of the historical operation ticket check can be traced.
In summary, the one-key sequence control operation order uninterrupted visual checking method based on the plant station side monitoring system of the invention includes that the monitoring host computer obtains the running state data of the primary equipment and the secondary equipment of the current time section, and stores the section data in the local database, all operations (such as condition and rule judgment, single-step simulation set number and the like) of simulation checking are carried out in the simulation database, the real-time database is not changed, the monitoring host computer can normally monitor the state of the total station equipment, the uninterrupted visual checking of the one-key sequence control operation order is based on simulation state pictures and data, and the correctness of the sequence control operation order content is verified under the condition that the line of the plant station side is electrified. Meanwhile, the monitoring host and the intelligent five-prevention machine adopt standardized communication interfaces to realize the transmission of the sequential control operation order, the intelligent five-prevention machine sends single-step preview simulation state data to the intelligent five-prevention machine through the content of the operation order and the monitoring host, the monitoring host and the intelligent five-prevention machine are used for preventing error check, after the check is passed, the monitoring host sends a remote control selection command to the measurement and control device, after the remote control reverse check of the measurement and control device succeeds or fails, the monitoring host sends a remote control cancel command to the measurement and control device, the closed-loop verification of the sequential control operation order from the monitoring host to the intelligent five-prevention machine and from the monitoring host to the measurement and control device is realized, after the sequential control operation order passes the check, the CRC verification code of the operation order is updated, the local text check record is reserved, and the tracing of the check trace of the historical operation order is realized.
Claims (10)
1. A visual check method for one-key sequential control operation order without power outage is characterized in that an adopted plant station end monitoring system comprises a monitoring host, an intelligent five-prevention machine and a measurement and control device, and the method comprises the following contents:
(1) checking without power outage: the monitoring host monitors the state of the total station equipment, acquires the running state data of the primary equipment and the secondary equipment of the current time section, and stores section data, namely analog state data, in a local database; meanwhile, the monitoring host machine realizes bidirectional switching between monitoring real-time images and analog images, the real-time images read real-time running state data of primary equipment and secondary equipment, and the analog images read analog data stored in a local database; the monitoring host machine realizes the isolation of the data and the picture of the simulation state and the data and the picture of the running state, all the simulation checking operations are carried out in the simulation database, and the real-time database is not changed;
(2) visual checking: the monitoring host acquires the analog state data of the current time section, switches the monitoring real-time state picture of the monitoring host to the analog state picture, and visually displays the task content of the operation order and the primitive state of the monitoring picture corresponding to the analog state data.
2. The uninterrupted visual checking method for the one-key sequence control operation order according to claim 1, characterized in that: the monitoring host and the intelligent five-prevention machine adopt standardized communication interfaces to realize the transmission of data and sequential control operation tickets.
3. The uninterrupted visual checking method for the one-key sequence control operation order according to claim 2, characterized in that: the monitoring host and the intelligent five-prevention machine adopt a standard 104 protocol to realize the issuing of the single-step simulation state of the operation ticket and the transmission of the operation ticket file; the monitoring host and the measurement and control device adopt a standard IEC61850 protocol to realize the remote control issuing of the single-step preview content of the operation order.
4. The uninterrupted visual checking method for the one-key sequence control operation order according to claim 1, characterized in that: the intelligent five-prevention machine receives simulation rehearsal data of an operation object in an operation ticket of the monitoring host and receives a sequence control operation ticket transmitted by the monitoring host, the monitoring host and the intelligent five-prevention machine combine simulation rehearsal instructions and the content of the operation ticket, and single-step rehearsal execution of sequence control operation ticket content is realized after five-prevention logic verification is met on the basis of five-prevention verification logic of the monitoring host and the intelligent five-prevention machine on primary and secondary equipment at a plant station end.
5. The uninterrupted visual checking method for the one-key sequence control operation order according to claim 4, characterized in that: the execution process of the preview instruction of the operation object in the operation ticket comprises starting instruction execution, operation condition checking, current equipment state verification before execution, sequence control locking signal judgment, total station accident judgment, condition judgment before single step execution, single step monitoring system built-in anti-misoperation locking verification, single step intelligent anti-misoperation host computer anti-misoperation verification, single step simulation setting and single step confirmation condition judgment, and the completion of instruction execution is confirmed after all the steps are successful.
6. The uninterrupted visual checking method for the one-key sequence control operation order according to claim 4, characterized in that: when the instruction is executed, a principle of double sets of error prevention mechanism check is adopted, one set is an error prevention logic lock built in the monitoring host, and the other set is error prevention logic check of the independent intelligent error prevention host; before single-step simulation counting, the operation of the step is verified by the built-in anti-misoperation logic lock of the monitoring host, if the verification does not pass the prompt error, the operation is automatically suspended, and the built-in anti-misoperation lock indicating lamp is lightened; before the single-step simulation is set, the operation of the step is also subjected to the anti-error logic check of the independent intelligent anti-error host, the error is prompted when the check does not pass, the operation is automatically suspended, an intelligent anti-error check indicator lamp is lightened, the error prompt of the anti-error check failure of the single-step intelligent anti-error host can be optionally ignored, and the check operation is continued after the authority check passes.
7. The uninterrupted visual checking method for the one-key sequence control operation order according to claim 4, characterized in that: the five-prevention logic is the running state of the relevant equipment meeting the operating conditions of the operation object.
8. The uninterrupted visual checking method for the one-key sequence control operation order according to claim 1, wherein the data interaction process between the monitoring host and the measurement and control device is as follows:
after the single-step preview logic of the monitoring host and the intelligent five-prevention machine passes, when an instruction is executed, the monitoring host sends a remote control selection command to the measurement and control device, and after the remote control of the measurement and control device succeeds or fails in reverse calibration, the monitoring host sends a remote control cancellation command to the measurement and control device to verify the correctness of a remote control link channel between the monitoring host and the measurement and control device.
9. The uninterrupted visual checking method for the one-key sequence control operation order according to claim 8, characterized in that: after the operation preview of the operation content of the sequence control operation ticket is finished, updating a CRC check code of the operation ticket, and marking the CRC check code in an operation ticket management library of the monitoring host computer with a checked mark;
the CRC is a character string mark generated by adopting an open-source third-party text content inspection method, the CRC is not changed when the text content is not changed, and the CRC is changed when the text content is changed; and the CRC check code is used for verifying the consistency of the current sequential control operation order and the operation order stored in the database.
10. The uninterrupted visual checking method for the one-key sequence control operation order according to claim 9, characterized in that: and after the sequence control operation order is successfully simulated and checked, generating a check record file, wherein the file record content comprises check personnel information and all operation item check information, and the operation item check information is an instruction execution object operation step.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113691019A (en) * | 2021-08-18 | 2021-11-23 | 国网湖北省电力有限公司检修公司 | One-key sequential control operation and maintenance method, system, computer equipment and medium thereof |
| CN114019278A (en) * | 2021-11-02 | 2022-02-08 | 国网重庆市电力公司电力科学研究院 | One-key sequence control automatic acceptance method and system |
| CN114155634A (en) * | 2021-12-08 | 2022-03-08 | 广东电网有限责任公司东莞供电局 | Anti-misoperation intelligent management and control method based on visual intelligent lock |
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| CN113691019B (en) * | 2021-08-18 | 2023-09-01 | 国网湖北省电力有限公司检修公司 | One-key sequential control operation and maintenance method, system, computer equipment and medium thereof |
| CN114019278A (en) * | 2021-11-02 | 2022-02-08 | 国网重庆市电力公司电力科学研究院 | One-key sequence control automatic acceptance method and system |
| CN114155634A (en) * | 2021-12-08 | 2022-03-08 | 广东电网有限责任公司东莞供电局 | Anti-misoperation intelligent management and control method based on visual intelligent lock |
| CN114155634B (en) * | 2021-12-08 | 2024-03-05 | 广东电网有限责任公司东莞供电局 | Misoperation-preventing intelligent control method based on visual intelligent lock |
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